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/* crypto/dh/dh.h */
/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#ifndef HEADER_DH_H
#define HEADER_DH_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef HEADER_BN_H
#define BIGNUM char
#endif
typedef struct dh_st
{
/* This first argument is used to pick up errors when
* a DH is passed instead of a EVP_PKEY */
int pad;
int version;
BIGNUM *p;
BIGNUM *g;
int length; /* optional */
BIGNUM *pub_key; /* y */
BIGNUM *priv_key; /* x */
} DH;
#define DH_GENERATOR_2 2
/* #define DH_GENERATOR_3 3 */
#define DH_GENERATOR_5 5
/* DH_check error codes */
#define DH_CHECK_P_NOT_PRIME 0x01
#define DH_CHECK_P_NOT_STRONG_PRIME 0x02
#define DH_UNABLE_TO_CHECK_GENERATOR 0x04
#define DH_NOT_SUITABLE_GENERATOR 0x08
#define DHparams_dup(x) (DH *)ASN1_dup((int (*)())i2d_DHparams, \
(char *(*)())d2i_DHparams,(char *)(x))
#define d2i_DHparams_fp(fp,x) (DH *)ASN1_d2i_fp((char *(*)())DH_new, \
(char *(*)())d2i_DHparams,(fp),(unsigned char **)(x))
#define i2d_DHparams_fp(fp,x) ASN1_i2d_fp(i2d_DHparams,(fp), \
(unsigned char *)(x))
#define d2i_DHparams_bio(bp,x) (DH *)ASN1_d2i_bio((char *(*)())DH_new, \
(char *(*)())d2i_DHparams,(bp),(unsigned char **)(x))
#define i2d_DHparams_bio(bp,x) ASN1_i2d_bio(i2d_DHparams,(bp), \
(unsigned char *)(x))
#ifndef NOPROTO
DH * DH_new(void);
void DH_free(DH *dh);
int DH_size(DH *dh);
DH * DH_generate_parameters(int prime_len,int generator,
void (*callback)(int,int));
int DH_check(DH *dh,int *codes);
int DH_generate_key(DH *dh);
int DH_compute_key(unsigned char *key,BIGNUM *pub_key,DH *dh);
DH * d2i_DHparams(DH **a,unsigned char **pp, long length);
int i2d_DHparams(DH *a,unsigned char **pp);
#ifndef WIN16
int DHparams_print_fp(FILE *fp, DH *x);
#endif
#ifdef HEADER_BIO_H
int DHparams_print(BIO *bp, DH *x);
#else
int DHparams_print(char *bp, DH *x);
#endif
void ERR_load_DH_strings(void );
#else
DH * DH_new();
void DH_free();
int DH_size();
DH * DH_generate_parameters();
int DH_check();
int DH_generate_key();
int DH_compute_key();
DH * d2i_DHparams();
int i2d_DHparams();
#ifndef WIN16
int DHparams_print_fp();
#endif
int DHparams_print();
void ERR_load_DH_strings();
#endif
/* BEGIN ERROR CODES */
/* Error codes for the DH functions. */
/* Function codes. */
#define DH_F_DHPARAMS_PRINT 100
#define DH_F_DHPARAMS_PRINT_FP 101
#define DH_F_DH_COMPUTE_KEY 102
#define DH_F_DH_GENERATE_KEY 103
#define DH_F_DH_GENERATE_PARAMETERS 104
#define DH_F_DH_NEW 105
/* Reason codes. */
#define DH_R_NO_PRIVATE_VALUE 100
#ifdef __cplusplus
}
#endif
#endif
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.